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Results 81 - 100 of 431.


Health - Pharmacology - 24.09.2019
Gum disease linked with higher risk of hypertension
Gum disease linked with higher risk of hypertension
People with gum disease (periodontitis) have a greater likelihood of high blood pressure (hypertension), according to a new UCL-led study. The meta-analysis of previous findings was published today in  Cardiovascular Research , a journal of the European Society of Cardiology. "We observed a linear association - the more severe periodontitis is, the higher the probability of hypertension," said senior author Professor Francesco D'Aiuto (UCL Eastman Dental Institute).

Environment - Astronomy / Space Science - 24.09.2019
New satellite looking at how Earth is losing its cool gets the go-ahead
New satellite looking at how Earth is losing its cool gets the go-ahead
A satellite that will measure Earth's energy budget, helping to improve climate change predictions, has been selected as a future mission by ESA. FORUM (Far-infrared Outgoing Radiation Understanding and Monitoring) will measure radiation emitted by Earth into space. This will provide new insight into the planet's energy budget - how much energy it receives from the Sun, how much it retains, and how much it remits to space.

Computer Science / Telecom - Mathematics - 24.09.2019
Numbers limit how accurately digital computers model chaos
Numbers limit how accurately digital computers model chaos
Digital computers use numbers based on flawed representations of real numbers, which may lead to inaccuracies when simulating the motion of molecules, weather systems and fluids, find UCL and Tufts University scientists. The study, published today in Advanced Theory and Simulations , shows that digital computers cannot reliably reproduce the behaviour of 'chaotic systems' which are widespread.

Life Sciences - 24.09.2019
Baby brain scan library could help push forward research
Baby brain scan library could help push forward research
Hundreds of MRI scans of babies' brains have been made available online to scientists to study how the brain develops. The batch of more than 500 images is the first large-scale data release from the Developing Human Connectome Project (dHCP) - a collaboration between King's College London, Imperial College London and the University of Oxford - and could be used by scientists to advance research.

Social Sciences - 24.09.2019
Action needed to reduce Wales’ prison population
Wales should be following the lead of other nations and developing credible alternatives to imprisonment, a report says. Having previously disclosed that Wales has the highest average imprisonment rate in Western Europe, academics from Cardiff University's Wales Governance Centre say their analysis of six other judicial systems shows policymakers in Wales how they could potentially reverse this trend.

Life Sciences - 23.09.2019
Humans evolved from all across Africa
Humans evolved from all across Africa
Modern humans evolved in Africa, and groups from all over the continent contributed to that process, so we should stop searching for a single point of origin, according to researchers led by UCL and the Max Planck Institute for the Science of Human History. In a comment paper published in Nature Ecology and Evolution , the researchers argue that our evolutionary past must be understood as the outcome of dynamic changes in connectivity, or gene flow, between early humans scattered across Africa.

Health - 23.09.2019
Casts doubt on effectiveness of named GP scheme
An NHS scheme to give every patient aged 75 and over in England a named GP responsible for their care has failed to deliver hoped-for improvements, according to a study by researchers at the University of Bristol's Centre for Academic Primary Care. The scheme, introduced by the NHS Employers and General Medical Services in April 2014, was designed to improve the care of older people and keep them healthy, independent and out of hospital.

Astronomy / Space Science - Environment - 23.09.2019
UCL to form closer ties with the European Space Agency
A memorandum of collaboration to be agreed by UCL and the European Space Agency (ESA) is one of the most comprehensive to date between ESA and a university and builds on existing close co-operation on missions to study space weather and other phenomena in space. The memorandum, due to be signed by Jan Woerner, Director General of ESA, and David Price, UCL Vice-Provost (Research), will cover a swathe of topics ranging from planetary science to space policy, governance and security.

Astronomy / Space Science - Physics - 23.09.2019
Imperial instrument cleared to study the Sun after extensive spacecraft testing
Imperial instrument cleared to study the Sun after extensive spacecraft testing
An Imperial-built instrument will study the Sun's magnetic field aboard the Solar Orbiter spacecraft following its launch in early 2020. Solar Orbiter, a European Space Agency (ESA) mission, will study the Sun in unprecedented detail from only 50 million kilometres away, inside the orbit of Mercury.

Health - Pharmacology - 23.09.2019
Heart damage from cancer drugs linked to faulty genes
Heart damage from cancer drugs linked to faulty genes
Scientists have unveiled clues into why some cancer patients develop a serious heart condition after chemotherapy. The new research, from a team of international scientists led by Imperial College London , Royal Brompton Hospital and the MRC London Institute of Medical Sciences , shows the heart condition may be linked to a faulty gene called titin.

Environment - Astronomy / Space Science - 20.09.2019
Opinion: Five climate change science misconceptions - debunked
Professor Mark Maslin (UCL Geography) writes about common climate change myths and explains how each can be disproven. The science of climate change is more than 150 years old and it is probably the most tested area of modern science. However the energy industry, political lobbyists and others have spent the last 30 years sowing doubt about the science where none really exists.

Health - Environment - 20.09.2019
Sustainable growth and energy insights: News from the College
Sustainable growth and energy insights: News from the College
Here's a batch of fresh news and announcements from across Imperial. From new models of Brazilian investment without ecological destruction, to fresh insights into photosynthesis, here is some quick-read news from across the College. Brazil's (and the world's) climate conundrum As one of the world's ten largest economies, Brazil has the potential for a unique model of economic progress.

Pharmacology - 20.09.2019
Antidepressants may reduce anxiety more than depressive symptoms
One of the most common antidepressants, sertraline, leads to an early reduction in anxiety symptoms, commonly found in depression, several weeks before any improvement in depressive symptoms, a UCL-led clinical trial has found. Published in The Lancet Psychiatry and funded by the National Institute for Health Research (NIHR), this is the largest-ever placebo-controlled trial of an antidepressant, which has not been funded by the pharmaceutical industry.

Pharmacology - Health - 20.09.2019
Breath-holding technique could improve outcomes for radiotherapy patients
A technique that will enable cancer patients to hold their breath during prolonged bouts of radiotherapy treatment has been developed by researchers at the University of Birmingham. In the study, published in Radiotherapy and Oncology , researchers demonstrated that, by safely increasing oxygen levels in the lungs and removing carbon dioxide from blood, it is possible for individuals to hold their breath for multiple four-minute periods during treatment.

Environment - Social Sciences - 19.09.2019
How can more walking be encouraged in cities?
A report investigating travel habits in seven European cities reveals environmental and social drivers that make people choose to walk. The new research reveals these include social factors such as how safe people feel and how concerned they are about air pollution, and urban design, such as how connected streets are and how close people are to public transport links.

Astronomy / Space Science - Environment - 19.09.2019
Opinion: How we detected water on a potentially habitable exoplanet for the first time
Angelos Tsiaras (UCL Physics & Astronomy) writes about the methods used to discover water vapour in the atmosphere of K2-18 b, the first potentially habitable planet outside of our solar system. With more than 4,000 exoplanets - planets orbiting stars other than our sun - discovered so far, it may seem like we are on the cusp of finding out whether we are alone in the universe.

Law - Innovation / Technology - 19.09.2019
Opinion: Why forensic science is in crisis and how we can fix it
Professor Ruth Morgan (UCL Security and Crime Science) writes about the misinterpretation of forensic evidence and the issues that this causes for the criminal justice system. Imagine you're in court, accused of a crime that you know you didn't commit. Now imagine a scientist takes the stand and starts explaining to the court how your DNA is on the murder weapon.

Social Sciences - 19.09.2019
Women’s exercise time must be ’valued’
Women benefit hugely from running but society must ensure their exercise time is not compromised by work and family commitments, new research from Cardiff University suggests. Researchers partnered Cardiff University/Cardiff Half Marathon organisers Run 4 Wales to investigate why women run and the barriers around participation.

Health - Life Sciences - 19.09.2019
Babies born by C-section have different gut bacteria
Babies born by caesarean section have a reduced level of "good" gut bacteria and an increased number of pathogens linked to hospital environments, according to research co-led by UCL that is the most comprehensive study of the baby microbiome to date. In the study researchers analysed gut bacteria in stool samples taken from 596 babies born in British hospitals - 314 babies who had a natural, or vaginal, birth, and 282 who were born by caesarean.

Environment - 19.09.2019
Coastal communities highly threatened by rising sea-levels, even with climate change mitigation
An international group of scientists have urgently called on world leaders to accelerate efforts to tackle climate change. Almost every aspect of the planet's environment and ecology is undergoing changes as a result of climate change, some of which are profound if not catastrophic for the future. Rising sea-levels is one of the biggest threats.

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